Carlos Ignacio Sarmiento

3 Questions 8 Answers 0 Followers

Questions related from Carlos Ignacio Sarmiento

Is there any way to measure, directly or indirectly, electrical fields in the brain when the patient is stimulated with direct current?

Transcranial direct current stimulation (tDCS) induces an electrical field in the target zone of the brain, polarizing or depolarizing neurons. Actually tDCS protocols only consider current, time...

09 September 2015 2,610 6 View

What is the cutoff frequency criteria to design the passive high-pass filter for this circuit if we are working with low-frequency biopotentials?

Most of the biopotentials are less than 30Hz, others are so low as almost 1Hz....

01 January 2013 3,530 9 View

Is there any two-way non-parametric repeated measures analysis when there are missing observations?

We measured the number of epileptic crisis every 2 weeks for 42 days in patients using a placebo-controlled design. At different times of the experiment, some patients leave the clinical research...

01 January 1970 2,470 1 View